Handle deprecation of swmr
On the latest h5py release we get the following warning:
/cvmfs/tomo.esrf.fr/software/packages/linux/x86_64/tomotools/2023_10_11/lib/python3.11/site-packages/tomoscan/io.py:40: H5pyDeprecationWarning: h5py.get_config().swmr_min_hdf5_version is deprecated. This version of h5py does not support older HDF5 without SWMR.